The Metana Blog

Guides, tutorials & career tips.

Expert-written guides on Full-Stack Development, Web3, AI, Data, and Cybersecurity — built for aspiring engineers and tech professionals ready to level up.

Full-Stack

How to Convert a JavaScript String to Number

JavaScript is one of the most popular programming languages used today, and understanding how to work with data types is fundamental to mastering it . One of the most common tasks involves converting JavaScript string…

Metana EditorialOctober 8, 2024Read

Full-Stack

JavaScript Array Comprehensions [Beginner's Guide]

JavaScript array comprehension provides a powerful way to construct arrays from existing data without the need to explicitly write loops, providing a more cleaner and readable code structure. This feature could simplify…

Metana EditorialOctober 7, 2024Read

Web3.0

What is The Web3 Communication Protocol?

The Evolution of the Internet: Enter Web3 The internet has evolved dramatically over time. Web1 was the early, static "read-only" internet, where users could only consume content. Web2 revolutionized this experience…

Marko JaureguiOctober 5, 2024Read

Web3.0

What are EVM Compatible Blockchains?

Blockchain technology has evolved rapidly, introducing new platforms and features aimed at expanding decentralization and enhancing scalability, security, and performance. The Ethereum Virtual Machine (EVM) plays an…

Metana EditorialOctober 4, 2024Read

Front-End

How to Create a Responsive Website

In today's digital landscape, users interact with numerous websites daily. It is important for businesses to have responsive websites that deliver an optimal user experience across all devices, including desktops,…

Metana EditorialOctober 3, 2024Read

AI & Machine Learning

What is Long Short-Term Memory? [LSTM]

Long Short-Term Memory (LSTM) networks are a type of Recurrent Neural Network (RNN) architecture that has revolutionized the field of sequence modeling. Traditional RNNs struggle to capture long-term dependencies in…

Metana EditorialOctober 2, 2024Read

Web3.0

What is ETHDenver?

ETHDenver is an important Ethereum and blockchain community event that takes place every year in Denver, Colorado. This is known as the world's largest and longest-running Ethereum hackathon and gathering. More than…

Metana EditorialOctober 1, 2024Read

Smart Contracts

Why Don’t Smart Contracts Have Private Keys?

TL;DR: Smart contracts are self-executing programs on blockchains like Ethereum, operating without intermediaries. They lack private keys because they aren't "owned" by any individual; once deployed, they run…

Metana EditorialSeptember 30, 2024Read

Web3.0

Top 5 Ethereum Layer 2 Projects You Should Know

As Ethereum's popularity continue to rise, this leading smart contract platform has encountered challenges related to scalability and high transaction costs. With a growing number of decentralized applications,…

Metana EditorialSeptember 27, 2024Read

AI & Machine Learning

What is NLP ? ( Natural Language Processing )

Natural Language Processing is a subset of artificial intelligence that deals with the interaction between computers and humans using natural language. What is NLP? The goal of NLP is to read, decipher, and make sense…

Metana EditorialSeptember 26, 2024Read

Blockchain

What is Bytes32 in Solidity?

TL;DR Bytes32 is a fixed-size (32-byte) data type in Solidity, optimized for the EVM. Used for hashes, Ethereum addresses, and fixed-size strings to save gas. More efficient than string or bytes for fixed-length data.…

Metana EditorialSeptember 25, 2024Read

Web3.0

What is the Internet Protocol Web3?

The Internet Protocol Web3 refers to the next generation of the internet, often known as the "decentralised web." Unlike the traditional web (Web2), which relies heavily on centralized servers and intermediaries—such as…

Metana EditorialSeptember 24, 2024Read

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